Home / 11,612.26-17,420.48-4,227.09

Finding the Fourth Proportional to 11,612.26, 17,420.48 and 4,227.09

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Solution

The fourth proportional to 11,612.26, 17,420.48 and 4,227.09 is: 6,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.26 : 17,420.48 = 4,227.09 : x
  2. Step 2: Convert to fraction form
    11,612.26/17,420.48 = 4,227.09/x
  3. Step 3: Cross multiply
    11,612.26x = 17,420.48 × 4,227.09
  4. Step 4: Simplify right side
    11,612.26x = 73,637,936.80
  5. Step 5: Solve for x
    x = 73,637,936.80/11,612.26
  6. Step 6: Final answer
    x = 6,341.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.